Finding the Fourth Proportional to 1,696.30, 2,542.72 and 1,147.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696.30 : 2,542.72 = 1,147.18 : x
2. Step 2: Convert to fraction form
   1,696.30/2,542.72 = 1,147.18/x
3. Step 3: Cross multiply
   1,696.30x = 2,542.72 × 1,147.18
4. Step 4: Simplify right side
   1,696.30x = 2,916,957.53
5. Step 5: Solve for x
   x = 2,916,957.53/1,696.30
6. Step 6: Final answer
   x = 1,719.60